recent
Recent

L6, part 1&2 spinal cord reflexes - physiology

 spinal cord reflexes

 Lecture video

1

2




Questions

1- All the following are true about spinal cord functions except

  1. Has role in voluntary movement...
  2.  Its reflexes are the simples
  3. It Carry Pain sensation through ventral spinothlamic tract.
  4. It has the Center of stretch reflex


(2) The only mono synaptic reflex is..

  1. Planter reflex
  2. Abdominal  reflex..
  3. Stretch reflex.
  4. a and c


(3) All the following are true about stretch reflex except

  1. It's the only monosynaptic reflex. 
  2. Its receptor is muscle spindle.
  3. Efferent is Gamma motor neuron
  4. It's called myotatic reflex.


4) which one is true ...

  1. a. muscle spindle Present in the tendon.
  2. b. nuclear bag is slowly responding.
  3.  c. nuclear bag is Rapidly adapting,


5) About muscle spindle innervation which is false:.

  1. (a) Primary ending is A alpha type.
  2. (b) secondary ending originate from nuclear chain
  3.  (C) primary ending is responsible for static stretch reflex only.
  4. (d) Gamma motor neuron supply the pripheral Part 

(6) which is True about gamma effrent..

  1.  a. It supply the prephiral and Central part of
  2. the receptor.
  3. b. Higher Centers control stretch reflex through it.
  4. C. It has role in Voluntary movements.

 (7) which is inhibitory of strech reflex...

  1. a vestibular nucleus.
  2. b. area 4
  3. C. Caudate nucleus.
  4. d. Red nucleus 

(8) Synaptic delay in strech reflex is... 

  1. .00 5 Sec.
  2.  5 sec.
  3. .5 sec.
  4.  .5 m. sec.


(9) which is false regarding muscle tone

  1. Aa. It present in all muscles. 
  2. b. It's based on dynamic stretch reflex.
  3. C. its afferent is Secondary ending mainly..


(10) Tendon jerk is exaggerated in

  1. a UMNL
  2. b. LMNL
  3. C. sleep
  4. d. hypothyrodism


(11) clasp knife spasticity indicate...

  1. a. LMNL.
  2.  b. UMNL..
  3. C. normal person

(12) Babiniski's sign is abnormal response.

  1. a. stretch reflex
  2. b. abdominal reflex
  3. c. Planter reflex

(13) which is wrong about abdominal reflex"

  1. a. Its Center T5-T12
  2. b. It's absent in UMNL. 
  3. C. It's weak in obese person.
  4. d. It's increased in UMNL.


(14) The voluntary contraction of skeletal muscles is purely voluntary          (                    ) 

  1. true
  2. false

(15) All reflexes are increased in UMNL (                  )

  1. true
  2. false

















google-playkhamsatmostaqltradent